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Finding the Fourth Proportional to 27,147.60, 40,667.40 and 23,900.40

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Solution

The fourth proportional to 27,147.60, 40,667.40 and 23,900.40 is: 35,803.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,147.60 : 40,667.40 = 23,900.40 : x
  2. Step 2: Convert to fraction form
    27,147.60/40,667.40 = 23,900.40/x
  3. Step 3: Cross multiply
    27,147.60x = 40,667.40 × 23,900.40
  4. Step 4: Simplify right side
    27,147.60x = 971,967,126.96
  5. Step 5: Solve for x
    x = 971,967,126.96/27,147.60
  6. Step 6: Final answer
    x = 35,803.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.